DE2821773C2 - - Google Patents

Info

Publication number
DE2821773C2
DE2821773C2 DE2821773A DE2821773A DE2821773C2 DE 2821773 C2 DE2821773 C2 DE 2821773C2 DE 2821773 A DE2821773 A DE 2821773A DE 2821773 A DE2821773 A DE 2821773A DE 2821773 C2 DE2821773 C2 DE 2821773C2
Authority
DE
Germany
Prior art keywords
signal
circuit
modulated
video
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2821773A
Other languages
German (de)
English (en)
Other versions
DE2821773A1 (de
Inventor
Masayuki Kawasaki Jp Hongu
Hiromi Yokohama Kanagawa Jp Kawakami
Masaharu Tokio/Tokyo Jp Tokuhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE2821773A1 publication Critical patent/DE2821773A1/de
Application granted granted Critical
Publication of DE2821773C2 publication Critical patent/DE2821773C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/02—Details
    • H03D1/04—Modifications of demodulators to reduce interference by undesired signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Picture Signal Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Amplitude Modulation (AREA)
DE19782821773 1977-05-19 1978-05-18 Synchrondetektor Granted DE2821773A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977064105U JPS613188Y2 (es) 1977-05-19 1977-05-19

Publications (2)

Publication Number Publication Date
DE2821773A1 DE2821773A1 (de) 1978-11-30
DE2821773C2 true DE2821773C2 (es) 1987-07-23

Family

ID=13248455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782821773 Granted DE2821773A1 (de) 1977-05-19 1978-05-18 Synchrondetektor

Country Status (8)

Country Link
US (1) US4234963A (es)
JP (1) JPS613188Y2 (es)
AU (1) AU520680B2 (es)
CA (1) CA1101987A (es)
DE (1) DE2821773A1 (es)
FR (1) FR2391614B1 (es)
GB (1) GB1590359A (es)
NL (1) NL189835B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715578A (en) * 1980-07-03 1982-01-26 Sony Corp Carrier wave pickup circut
JPS5761309A (en) * 1980-09-30 1982-04-13 Matsushita Electric Ind Co Ltd Video detecting circuit
US4385383A (en) * 1981-04-14 1983-05-24 Gte Automatic Electric Laboratories, Inc. Error rate detector
US4538112A (en) * 1982-08-30 1985-08-27 Wang Laboratories, Inc. Detector using delayed and undelayed inputs for demodulating FM or PM signals
US6515711B1 (en) * 1998-05-27 2003-02-04 Harris Corporation System for correcting an aural carrier signal
US6744309B1 (en) 2002-09-30 2004-06-01 Ami Semiconductor, Inc. Absolute value amplitude baseband detector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573497A (en) * 1969-10-09 1971-04-06 Motorola Inc Biasing circuit
US3697685A (en) * 1970-04-13 1972-10-10 Motorola Inc Synchronous am detector
DE2221892C2 (de) * 1972-05-04 1979-12-20 Siemens Ag, 1000 Berlin U. 8000 Muenchen Schaltungsanordnung zur Trägerriickgewinnung bei TF-Video- und Datenübertragungssystemen
US3796963A (en) * 1972-11-06 1974-03-12 Rca Corp Signal limiter for exalted carrier am detector

Also Published As

Publication number Publication date
NL7805384A (nl) 1978-11-21
DE2821773A1 (de) 1978-11-30
CA1101987A (en) 1981-05-26
AU3629478A (en) 1979-11-22
GB1590359A (en) 1981-06-03
FR2391614A1 (fr) 1978-12-15
FR2391614B1 (fr) 1985-11-15
US4234963A (en) 1980-11-18
JPS53159228U (es) 1978-12-13
AU520680B2 (en) 1982-02-18
NL189835B (nl) 1993-03-01
JPS613188Y2 (es) 1986-01-31

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8330 Complete disclaimer